One-step consolidation treatment
Methods for treating a zone of a subterranean formation penetrated by a wellbore comprising: (A) forming a treatment fluid comprising: (i) an aqueous continuous phase; (ii) a first chemical having: (a) a single epoxy group; and (b) at least one alkoxy group on a silicon atom, wherein the first chemical is water soluble or dissolves with hydrolysis in the aqueous continuous phase; (iii) a second chemical having an amine group, wherein the second chemical is water soluble or dissolves with hydrolysis in the aqueous continuous phase; and (B) introducing the treatment fluid through the wellbore into the zone of the subterranean formation.
1. A method for treating a zone of a subterranean formation penetrated by a wellbore, the method comprising:
(A) forming a non-polymerizable treatment fluid, free of polymerizable material, comprising:
(i) an aqueous continuous phase, free of polymerizable material;
(ii) a first chemical having: (a) a single epoxy group; and (b) at least one alkoxy group on a silicon atom, wherein the first chemical is water soluble or dissolves with hydrolysis in the aqueous continuous phase; and
(iii) a second chemical having an amine group, wherein the second chemical is water soluble or dissolves with hydrolysis in the aqueous continuous phase;
(B) introducing the treatment fluid through the wellbore into the zone of the subterranean formation surrounding the wellbore; and
(C) reacting the first chemical and the second chemical and thereby agglomerating particulates in the subterranean formation, without any polymerization.
2. The method according to claim 1 , wherein the treatment fluid has a viscosity of less than 5 cP measured at a shear rate of 511 sec −1 .
3. The method according to claim 1 , wherein the first chemical is selected from the group consisting of: (3 glycidoxypropyl)trimethoxysilane, (3 glycidoxypropyl)triethoxysilane, 5,6 epoxyhexyltriethoxysilane, (3 glycidoxypropyl)methyldiethoxysilane, (3 glycidoxypropyl)methyldimethoxysilane, (3 glycidoxypropyl)dimethylethoxysilane, and combinations thereof.
4. The method according to claim 1 , wherein the second chemical is selected from the group consisting of: aliphatic amines, cycloaliphatic amines, heterocyclic amines, amidoamines, triethylenetetraamine, ethylenediamine, N cocoalkyltrimethylenediamine, isophoronediamine, N [3 (trimethoxysilyl)propyl]ethylenediamine], 3 aminopropyltriethoxysilane, 3 aminopropyltrimethoxysilane, 4 aminobutyltriethoxysilane, 3 aminopropyltris(methoxyethoxy-ethoxy)silane, 11 aminodecyltriethoxysilane, 3 aminopropyl diisopropylethoxysilane, 3 aminopropyl dimethylethoxysilane, N (2-aminoethyl)-3-aminopropyl-triethoxysilane, N (6-aminohexyl)aminomethyl-triethoxysilane, N (6-aminohexyl)aminopropyl-trimethoxysilane, (3 trimethoxysilylpropyl)diethylene triamine, n butylaminopropyltrimethoxysilane, bis(2 hydroxyethyl)-3-aminopropyl-triethoxysilane, 3 (N styrylmethyl-2-aminoethylamino)propyltrimethoxysilane hydrochloride, and combinations thereof.
5. The method of claim 1 , further comprising introducing a stand-alone screen without a gravel pack.
6. The method of claim 1 , further comprising introducing a screen, wherein the treatment fluid is introduced as part of a pad fluid, and subsequently placing a gravel pack into a screen-wellbore annulus.
7. A method for treating a zone of a subterranean formation penetrated by a wellbore, the method comprising:
(A) forming a non-polymerizable treatment fluid, free of polymerizable material, comprising:
(i) an aqueous continuous phase, free of polymerizable material;
(ii) a first chemical having: (a) a single epoxy group; and (b) at least one alkoxy group on a silicon atom, wherein the first chemical is water soluble or dissolves with hydrolysis in the aqueous continuous phase; and
(iii) a second chemical having an amine group, wherein the second chemical is water soluble or dissolves with hydrolysis in the aqueous continuous phase;
(B) introducing the treatment fluid through the wellbore into the zone of the subterranean formation as part of a pad fluid during a fracturing treatment; and
(C) reacting the first chemical and the second chemical and thereby agglomerating particulates in the subterranean formation, without any polymerization.
8. The method according to claim 7 , wherein the treatment fluid has a viscosity of less than 5 cP measured at a shear rate of 511 sec −1 .
9. The method according to claim 7 , wherein the first chemical is selected from the group consisting of: (3 glycidoxypropyl)trimethoxysilane, (3 glycidoxypropyl)triethoxysilane, 5,6 epoxyhexyltriethoxysilane, (3 glycidoxypropyl)methyldiethoxysilane, (3 glycidoxypropyl)methyldimethoxysilane, (3 glycidoxypropyl)dimethylethoxysilane, and combinations thereof.
10. The method according to claim 7 , wherein the second chemical is selected from the group consisting of: aliphatic amines, cycloaliphatic amines, heterocyclic amines, amidoamines, triethylenetetraamine, ethylenediamine, N cocoalkyltrimethylenediamine, isophoronediamine, N [3 (trimethoxysilyl)propyl]ethylenediamine], 3 aminopropyltriethoxysilane, 3 aminopropyltrimethoxysilane, 4 aminobutyltriethoxysilane, 3 aminopropyltris(methoxyethoxy-ethoxy)silane, 11 aminodecyltriethoxysilane, 2 (4-pyridylethyl)triethoxysilane, 3 aminopropyl diisopropylethoxysilane, 3 aminopropyl dimethylethoxysilane, N (2-aminoethyl)-3-aminopropyl-triethoxysilane, N (6-aminohexyl)aminomethyl-triethoxysilane, N (6-aminohexyl)aminopropyl-trimethoxysilane, (3 trimethoxysilylpropyl)diethylene triamine, n butylaminopropyltrimethoxysilane, bis(2 hydroxyethyl)-3-aminopropyl-triethoxysilane, 3 (N styrylmethyl-2-aminoethylamino)propyltrimethoxysilane hydrochloride, and combinations thereof.
11. The method of claim 7 , further comprising introducing proppant within one or more fractures.
12. The method of claim 7 , further comprising introducing proppant within a screen-wellbore annulus.
13. A method for treating a zone of a subterranean formation penetrated by a wellbore, the method comprising:
(A) forming a non-polymerizable treatment fluid, free of polymerizable material, comprising:
(i) an aqueous continuous phase, free of polymerizable material;
(ii) a first chemical having: (a) a single epoxy group; and (b) at least one alkoxy group on a silicon atom, wherein the first chemical is water soluble or dissolves with hydrolysis in the aqueous continuous phase; and
(iii) a second chemical having an amine group, wherein the second chemical is water soluble or dissolves with hydrolysis in the aqueous continuous phase;
(B) introducing the treatment fluid through the wellbore into a near wellbore formation;
(C) reacting the first chemical and the second chemical and thereby agglomerating particulates in the subterranean formation, without any polymerization; and
(D) performing a hydraulic fracturing treatment using a proppant.
14. The method according to claim 13 , wherein the treatment fluid has a viscosity of less than 5 cP measured at a shear rate of 511 sec −1 .
15. The method according to claim 13 , wherein the first chemical is selected from the group consisting of: (3 glycidoxypropyl)trimethoxysilane, (3 glycidoxypropyl)triethoxysilane, 5,6 epoxyhexyltriethoxysilane, (3 glycidoxypropyl)methyldiethoxysilane, (3 glycidoxypropyl)methyldimethoxysilane, (3 glycidoxypropyl)dimethylethoxysilane, and combinations thereof.
16. The method according to claim 13 , wherein the second chemical is selected from the group consisting of: aliphatic amines, cycloaliphatic amines, heterocyclic amines, amidoamines, triethylenetetraamine, ethylenediamine, N cocoalkyltrimethylenediamine, isophoronediamine, N [3 (trimethoxysilyl)propyl]ethylenediamine], 3 aminopropyltriethoxysilane, 3 aminopropyltrimethoxysilane, 4 aminobutyltriethoxysilane, 3 aminopropyltris(methoxyethoxy-ethoxy)silane, 11 aminodecyltriethoxysilane, 2 (4-pyridylethyl)triethoxysilane, 3 aminopropyl diisopropylethoxysilane, 3 aminopropyl dimethylethoxysilane, N (2-aminoethyl)-3-aminopropyl-triethoxysilane, N (6-aminohexyl)aminomethyl-triethoxysilane, N (6-aminohexyl)aminopropyl-trimethoxysilane, (3 trimethoxysilylpropyl)diethylene triamine, n butylaminopropyltrimethoxysilane, bis(2 hydroxyethyl)-3-aminopropyl-triethoxysilane, 3 (N styrylmethyl-2-aminoethylamino)propyltrimethoxysilane hydrochloride, and combinations thereof.
17. The method of claim 13 , further comprising mixing the treatment fluid using mixing equipment, and introducing the treatment fluid into a subterranean formation using one or more pumps.
18. The method of claim 13 , wherein no screen is used during the treatment.
19. The method of claim 13 , further comprising remediating proppant already placed in fractures.